java.lang

Class StringBuilder

java.lang.Object

java.lang.StringBuilder

All Implemented Interfaces:

CharSequence

public final class StringBuilder
extends Object
implements CharSequence

Constructor Summary

Constructors

Constructor and Description
StringBuilder()
StringBuilder(CharSequence cs)
StringBuilder(int length)
StringBuilder(String str)

Method Summary

Modifier and Type	Method and Description
StringBuilder	append(boolean b)
StringBuilder	append(char c)
StringBuilder	append(char[] str)
StringBuilder	append(char[] str, int offset, int len)
StringBuilder	append(CharSequence cs)
StringBuilder	append(CharSequence cs, int start, int end)
StringBuilder	append(double d)
StringBuilder	append(float f)
StringBuilder	append(int i)
StringBuilder	append(long l)
StringBuilder	append(Object obj)
StringBuilder	append(String str)
StringBuilder	append(StringBuffer buf)
int	capacity()
char	charAt(int index)
StringBuilder	delete(int start, int end)
StringBuilder	deleteCharAt(int index)
void	ensureCapacity(int minimumCapacity)
void	getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin)
StringBuilder	insert(int offset, boolean b)
StringBuilder	insert(int offset, char c)
StringBuilder	insert(int offset, CharSequence cs)
StringBuilder	insert(int offset, CharSequence cs, int start, int end)
StringBuilder	insert(int offset, double d)
StringBuilder	insert(int offset, float f)
StringBuilder	insert(int offset, int i)
StringBuilder	insert(int offset, long l)
StringBuilder	insert(int offset, Object obj)
StringBuilder	insert(int offset, String str)
int	length()
StringBuilder	reverse()
void	setCharAt(int index, char ch)
void	setLength(int newLength)
CharSequence	subSequence(int start, int end)
String	toString()
void	trimToSize()

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StringBuilder

public StringBuilder()

StringBuilder

public StringBuilder(int length)

StringBuilder

public StringBuilder(String str)

StringBuilder

public StringBuilder(CharSequence cs)

Method Detail

append

public StringBuilder append(boolean b)

append

public StringBuilder append(char c)

append

public StringBuilder append(char[] str)

append

public StringBuilder append(char[] str,
                            int offset,
                            int len)

append

public StringBuilder append(double d)

append

public StringBuilder append(float f)

append

public StringBuilder append(int i)

append

public StringBuilder append(long l)

append

public StringBuilder append(Object obj)

append

public StringBuilder append(String str)

capacity

public int capacity()

charAt

public char charAt(int index)

Specified by:

charAt in interface CharSequence

delete

public StringBuilder delete(int start,
                            int end)

append

public StringBuilder append(StringBuffer buf)

deleteCharAt

public StringBuilder deleteCharAt(int index)

ensureCapacity

public void ensureCapacity(int minimumCapacity)

getChars

public void getChars(int srcBegin,
                     int srcEnd,
                     char[] dst,
                     int dstBegin)

insert

public StringBuilder insert(int offset,
                            boolean b)

insert

public StringBuilder insert(int offset,
                            char c)

insert

public StringBuilder insert(int offset,
                            double d)

insert

public StringBuilder insert(int offset,
                            float f)

insert

public StringBuilder insert(int offset,
                            int i)

insert

public StringBuilder insert(int offset,
                            long l)

insert

public StringBuilder insert(int offset,
                            Object obj)

insert

public StringBuilder insert(int offset,
                            String str)

length

public int length()

Specified by:

length in interface CharSequence

reverse

public StringBuilder reverse()

setCharAt

public void setCharAt(int index,
                      char ch)

setLength

public void setLength(int newLength)

toString

public String toString()

Specified by:

toString in interface CharSequence

Overrides:

toString in class Object

trimToSize

public void trimToSize()

append

public StringBuilder append(CharSequence cs)

append

public StringBuilder append(CharSequence cs,
                            int start,
                            int end)

insert

public StringBuilder insert(int offset,
                            CharSequence cs)

insert

public StringBuilder insert(int offset,
                            CharSequence cs,
                            int start,
                            int end)

subSequence

public CharSequence subSequence(int start,
                                int end)

Specified by:

subSequence in interface CharSequence